/*
 * Copyright 2008-2009 the original 赵永春(zyc@hasor.net).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.hasor.rsf.center.core.ioc;
import java.lang.reflect.Field;
import java.util.List;
import org.more.util.BeanUtils;
import net.hasor.core.AppContext;
/**
 * 依赖注入
 * @version : 2015年7月28日
 * @author 赵永春(zyc@hasor.net)
 */
public class InjectUtils {
    public static void inject(Object target, AppContext appContext) throws IllegalArgumentException, IllegalAccessException {
        if (target == null) {
            return;
        }
        Class<?> targetType = target.getClass();
        List<Field> fieldList = BeanUtils.findALLFields(targetType);
        for (Field field : fieldList) {
            if (field.isAnnotationPresent(Inject.class) == false) {
                continue;
            }
            field.setAccessible(true);
            Object obj = appContext.getInstance(field.getType());
            if (obj != null) {
                field.set(target, obj);
            }
        }
    }
}